Welcome to One Harmony

Discover a World of Elegance and Refinement in Our Free Membership Program.

Join Us for Special Offers!

Join Us Now


New digital voucher for one-category guestroom upgrades for Loyal & Exclusive Members (“My Voucher”) is now provided. Sign in is required to display the digital voucher. Please click here for display.

Special Offers

Chance to Earn Double Nights!

Guests are able to earn double qualifying nights for membership status upgrade.
Don't miss the chance to take the fast route to upgrade your membership status to enjoy the variety of special benefits.
Click here for details

3X the points! Bonus Point Promotion

A limited-time bonus point promotion is available at Okura Nikko Hotels in Asia, Europe, North America, and other regions. Stay at any of the participating hotels with the eligible plans, and receive triple points for your stay.
Click here for details

ADVANCE - early bird discount

Early booking plans are available! Book now online or at your nearest reservation center to enjoy our ADVANCE rate plan and experience Okura Nikko Hotels.
Click here for details

Contact Us

One Harmony Office

Inquiry Form
F. A. Q.
9:30-17:30 JST
(Closed Saturdays, Sundays and Holidays)